PRO-23 (200-0504) Specifications Faxback Doc. # 6488 Frequency Coverage: Aircraft......................108-136.975 MHz (in 12.5 kHz steps) Government...........................137-144 MHz (in 5 kHz steps) Ham..................................144-148 MHz (in 5 kHz steps) VHF-Hi...............................148-174 MHz (in 5 kHz steps) Government........................406-420 MHz (in 12.5 kHz steps) Ham...............................420-450 MHz (in 12.5 kHz steps) UHF-Standard 450-470 MHz (in 12.5 kHz steps) UHF-"T"...........................470-512 MHz (in 12.5 kHz steps) UHF-Public Service..........................806.0000-823.9375 MHz (in 12.5 kHz steps) 851.0000-868.9375 MHz (in 12.5 kHz steps) 896.1125-956 MHz (in 12.5 kHz steps) Channels of Operation.........................any 50 channels in any band combinations (10 channels x 5 banks) and 5 monitor channels Sensitivity (20 dB S/N with 60% modulation for AM: 3 kHz deviation for FM): 108-136.975 MHz.........................................1.3microV 137-174 MHz.............................................0.6microV 406-512 MHz.............................................0.5microV 806-956 MHz 0.7microV Limit Search Speed/Band Search Speed......................19 Steps/Second Scan Speed.............................................12 Channels/Second Priority Sampling...............................................2 Seconds Delay Time (automatic)..........................................2 Seconds IF Frequencies........................................10.8MHz and 450 kHz Audio Power: FM.................................................250mW Maximum AM..................................................290mWMaximum Built-in Speaker.................1 7/16-inch (36 mm) 8-Ohm, Dynamic Type Power Requirement...................+6 VDC, 4 AA batteries, or a suitable 9-volt adapter (negative ground only) Dimensions..........................6 1/8 x 2 7/16 x 1 11/16 Inches (HWD) (155.6 x 61.9 x 42.9 mm) Weight....................................................8.11 oz (230 g) Specifications are typical-individual units may vary. Specifications are subject to change and improvement without notice. (Br/smc-05/16/94)